testdisk/src/file_steuer2014.c

78 lines
2.4 KiB
C
Raw Normal View History

/*
File: file_steuer2014.c
Copyright (C) 2016 Christophe GRENIER <grenier@cgsecurity.org>
This software is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write the Free Software Foundation, Inc., 51
Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <stdio.h>
#include <time.h>
#include "types.h"
#include "filegen.h"
#include "common.h"
static void register_header_check_steuer(file_stat_t *file_stat);
const file_hint_t file_hint_steuer2014= {
.extension="steuer2014",
.description="Steuer 2014/2015",
.max_filesize=100*1024*1024,
.recover=1,
.enable_by_default=1,
.register_header_check=&register_header_check_steuer
};
struct steuer_header
{
uint8_t magic[8];
uint32_t version1;
uint32_t version2;
char date_string[0x18];
} __attribute__ ((gcc_struct, __packed__));
static int header_check_steuer(const unsigned char *buffer, const unsigned int buffer_size, const unsigned int safe_header_only, const file_recovery_t *file_recovery, file_recovery_t *file_recovery_new)
{
const struct steuer_header *h=(const struct steuer_header *)buffer;
struct tm tm_time;
if(h->version1!=h->version2)
return 0;
memset(&tm_time, 0, sizeof(struct tm));
strptime(h->date_string, "%b %d %Y %H:%M:%S", &tm_time);
reset_file_recovery(file_recovery_new);
if(le32(h->version1)>=0x13)
file_recovery_new->extension="steuer2015";
else
file_recovery_new->extension=file_hint_steuer2014.extension;
file_recovery_new->time=mktime(&tm_time);
return 1;
}
static void register_header_check_steuer(file_stat_t *file_stat)
{
static const unsigned char steuer_header[8]= {
'R' , 0x26, 'S' , 0x1a, 0x11, 0x01, 0x01, 0x00
};
register_header_check(0, steuer_header, sizeof(steuer_header), &header_check_steuer, file_stat);
}